1. High performance security and compatibility This hitch lock is compatible with most 2-inch and 2-1/2-inch hitch receivers. It features a 5/8-inch diameter, 3-inch long pin for a secure tow rated up to 30,000 pounds. Ideal for trailers, trucks, cars, cycling, and boating. 2. Versatile applications A security solution for a wide range of vehicles and scenarios. Whether you are towing a trailer, transporting a boat, or cycling, this lock provides security and theft protection. Use scenarios: - Towing a trailer behind a pickup or SUV - Hauling a boat on a boat trailer - Securing bicycles or a bike rack during trips 3. Easy operation The lock uses a push-type design for easy locking with a simple press, no key required to lock. A slight turn of the key releases the locking pin to allow removal, enabling smooth operation. 4. Rust and weather resistance Constructed from heavy-duty steel with a black electrophoretic coating for a robust build. The core is zinc alloy, strong and rust-resistant, with an anti-theft design that resists external forces in various environments.